go back

Western Blot Protein Test

Virginia rates for HCPCS 84181

A laboratory test that uses a technique called a Western blot to detect a specific protein in a sample of blood or other body fluid. It is often used to confirm the results of an earlier screening test, such as one used to check for a particular infection.

Rates data updated October 2026.

How much does Western Blot Protein Test cost?

$15.85

Typical negotiated rate. In Virginia, October 2026.

Insurers have agreed to pay about $15.85 for this service. The price depends on where it is billed: about $13.49 from a physician practice, and about $23.99 from a hospital or other facility.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 8 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$13.49$8.91 to $19.95
FacilityA hospital or hospital-owned outpatient department$23.99$15.85 to $40.74

How much rates vary

Facilitymedian $24 · 10th to 90th $16 to $76Professionalmedian $13 · 10th to 90th $8 to $32
$10$100$1K$10Kfacility $24professional $13

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$12.88
Median
$23.99
Typical High
$43.65
Aetna
Setting
Professional
Modifier
None
Typical Low
$12.88
Median
$15.49
Typical High
$20.42
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$15.85
Median
$15.85
Typical High
$83.18
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$8.32
Typical High
$11.75
CareFirst
Setting
Professional
Modifier
None
Typical Low
$12.30
Median
$13.49
Typical High
$15.14
Cigna
Setting
Facility
Modifier
None
Typical Low
$17.38
Median
$40.74
Typical High
$67.61
Cigna
Setting
Professional
Modifier
None
Typical Low
$16.22
Median
$19.95
Typical High
$33.88
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$16.98
Median
$20.42
Typical High
$25.12
Medcost
Setting
Professional
Modifier
None
Typical Low
$14.13
Median
$27.54
Typical High
$33.11
Medcost
Setting
Facility
Modifier
None
Typical Low
$14.13
Median
$16.22
Typical High
$61.66
Medcost
Setting
Professional
Modifier
None
Typical Low
$14.45
Median
$14.45
Typical High
$91.20
Sentara
Setting
Facility
Modifier
None
Typical Low
$13.18
Median
$22.39
Typical High
$77.62
Sentara
Setting
Professional
Modifier
None
Typical Low
$13.18
Median
$23.99
Typical High
$77.62
United
Setting
Facility
Modifier
None
Typical Low
$20.42
Median
$20.42
Typical High
$20.42
United
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$10.00
Typical High
$14.13
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$6.46
Median
$7.76
Typical High
$7.94
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.51
Median
$3.16
Typical High
$3.24

Where Virginia sits

The same service costs 3.7 times more in Kansas than in New Jersey. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Virginia· 43rd of 51

$15.85

KS $48.98NJ $13.18

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.